Question

1. Answer: a) Briefly explain the difference between block centered and point-distributed grid systems.(5 point) b) Assume porous media as figure below with physical properties given. Calculate flow rate between point A and B. (15 point) 2,000 ft 20 ft B 30° k-100 md PA 3000 psi PB=2750 psi Width= 100 ft p18% p-42 lb/ft3

Answer 1

bloc k Centaerdot dilauke. Diflerence belwcen point distutecd opoi Bock Centred Gríd Fosmed by -the Act Nodes ale at te pont &frtcrectn farallel ins , nodes aue at the Center at paralle Unes wth Cells halfway -he -faces ale neales between 2 Doasnt equrcd &Kflled Reaured skilled Labour Labaur 3) Zts nota -tfme SHe a time consuming ConMtng proccss pocegs 4 This metod mole method s Less accurate. acourate. 5 reaues lesser S eauires greato computat fon podel computation poweu Blocked Central point Centred System Guld

Giiven data b 200o 20X100 Fiver by O o01 12 Aao ate i's 100X2000x(30o-2K 6x 2000 y t 69 BB